Shower system



FIG. 1 is a perspective view of a shower system showing our design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevation view thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed invention. 

The ornamental design for a shower system, as shown and described. 